Greetings,
I am using neo4j in a language specific environment, and I have to
support English, French, Spanish, and Portuguese languages so far. I
figured out how to setup an automatic index, specifying the language and
that appears to work well. I am now adding a feature that supports date
range searching, and I'm doing it by using a custom string pattern to
represent a date... SecuriDate_2015_05_04 would be today (May 4th, 2015).
SecuriDate is there because when I convert formats, for now I really
have no way of knowing this is a date that needs conversion, except by the
content of the data.
So I am using lexical collation to provide date range support, and
searching using the Lucene range function through a REST Query. When I
use the English analyzer, things seem to work well. I can do range
searching using a query like:
http://localhost:7474/db/data/index/node/node_auto_index?query=((DateOfBirth:([SecuriDate_2014_11_16
TO *])))&order=score and it works as desired. I can change the date in
the query, and I see the results as expected.
When I use the French analyzer, some queries fail, in that they return
data that shouldn't be returned... not all data, just some.
That same query will return nodes that contain: "SecuriDate_2000_01_01",
"SecuriDate_2011_02_04", etc.
The following query works, and just returns the node containing: "
SecuriDate_2014_09_03"
http://localhost:7474/db/data/index/node/node_auto_index?query=((DateOfBirth:([SecuriDate_2014_01_01
TO SecuriDate_2014_12_31])))&order=score
This query fails returning many nodes almost all of which are before
"SecuriDate_2014_09_03":
http://localhost:7474/db/data/index/node/node_auto_index?query=((DateOfBirth:([SecuriDate_2014_01_01
TO SecuriDate_3000_01_01])))&order=score
I'm struggling to create a good example of this, as sometimes it seems to
work as desired for a simple case.
This is using the most recent production release: Neo4j 2.2.1 and is
running on Windows.
I appreciate any suggestions as to where to trouble shoot this.
Thanks,
- Daniel
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